TERRIFYING details have emerged about the horror injuries suffered by a 12-year-old boy who was allegedly left to die in a hit-and-run accident last weekend.
Jacob Martinez was killed and his close friend, Christina Bird, 11, was left in critical condition after a driver reportedly crashed into them in Apple Valley, California on Saturday.
The two children were riding an ATV near their families' campsite around 9pm when the other vehicle reportedly hit them.
The impact of the vehicle on the ATV was so severe it caused the boy's helmet to fly off.
His aunt Daisee Montano told that life-saving measures were attempted at the scene but the family instantly knew he was dead.
"We were told that the first person that tried to perform CPR on my nephew turned him around but the only part that turned was his top half of his body because he was so broken so we knew immediately that he was dead," she revealed.
"My nephew was mangled. He was trampled to death," Montano added.
"And my brother was weeping on the ground to please help his son come back to life."
Christina is currently at Loma Linda University Medical Center fighting to stay alive, family say.
Christina's uncle, Ernie Nunez said: "She's lying up there right now lifeless and trying to fight for her life."
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"She has multiple broken bones, broken femurs, fibula. Her spinal cord to her brain was severed," Felicia Nunez, Christina's mother, told NBC.
Investigators are now searching for the driver of a 2021 orange Polaris Razor Turbo S or S4.
The driver stopped shortly after the crash and then turned off the lights before slowly driving away, according to witnesses.
"Jacob: daddy loves you very much and we won't stop until you get justice," the boy's father said in a statement.
"Find these people that just left two children torn up on the floor and the road just to die," Christina's uncle told .
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"With no soul or heart in their body to even just try to stop and call for help."
The Sun reached out for an update on the hunt for the driver, but authorities have not answered by the time of publication.